[INFO] cloning repository https://github.com/it21294198/ascii-cat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/it21294198/ascii-cat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fit21294198%2Fascii-cat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fit21294198%2Fascii-cat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e3a82976c21e837fbeb43b04f9b52e52096adf8c [INFO] checking it21294198/ascii-cat against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fit21294198%2Fascii-cat" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/it21294198/ascii-cat on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/it21294198/ascii-cat [INFO] finished tweaking git repo https://github.com/it21294198/ascii-cat [INFO] tweaked toml for git repo https://github.com/it21294198/ascii-cat written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/it21294198/ascii-cat already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded qr2term v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 98d287cb32181193234b599568457cf5bbd4d19d63ae623c66518c705c1f8235 [INFO] running `Command { std: "docker" "start" "-a" "98d287cb32181193234b599568457cf5bbd4d19d63ae623c66518c705c1f8235", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "98d287cb32181193234b599568457cf5bbd4d19d63ae623c66518c705c1f8235", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98d287cb32181193234b599568457cf5bbd4d19d63ae623c66518c705c1f8235", kill_on_drop: false }` [INFO] [stdout] 98d287cb32181193234b599568457cf5bbd4d19d63ae623c66518c705c1f8235 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f837b6c1ae6b9797566cec0cd218a4681e2bf4d4eba5803b35c000986b42649a [INFO] running `Command { std: "docker" "start" "-a" "f837b6c1ae6b9797566cec0cd218a4681e2bf4d4eba5803b35c000986b42649a", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking simd-adler32 v0.3.7 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking weezl v0.1.8 [INFO] [stderr] Checking half v2.3.1 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking bytemuck v1.14.3 [INFO] [stderr] Checking lebe v0.5.2 [INFO] [stderr] Checking bit_field v0.10.2 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking checked_int_cast v1.0.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking c_linked_list v1.1.1 [INFO] [stderr] Checking crossterm v0.25.0 [INFO] [stderr] Checking get_if_addrs v0.5.3 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking zune-inflate v0.2.54 [INFO] [stderr] Checking fdeflate v0.3.4 [INFO] [stderr] Checking qrcode v0.12.0 [INFO] [stderr] Checking flume v0.11.0 [INFO] [stderr] Checking gif v0.12.0 [INFO] [stderr] Checking qoi v0.4.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking qr2term v0.3.1 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking png v0.17.13 [INFO] [stderr] Checking rayon v1.8.1 [INFO] [stderr] Checking exr v1.72.0 [INFO] [stderr] Checking jpeg-decoder v0.3.1 [INFO] [stderr] Checking tiff v0.9.1 [INFO] [stderr] Checking image v0.24.8 [INFO] [stderr] Checking ascii-cat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `BufRead` is imported redundantly [INFO] [stdout] --> src/main.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{BufRead, Write}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 2 | use std::net::TcpListener; [INFO] [stdout] 3 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `BufRead` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/main.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{BufRead, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] 2 | use std::net::TcpListener; [INFO] [stdout] 3 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `Write` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `BufRead` is imported redundantly [INFO] [stdout] --> src/main.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{BufRead, Write}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 2 | use std::net::TcpListener; [INFO] [stdout] 3 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `BufRead` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/main.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{BufRead, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] 2 | use std::net::TcpListener; [INFO] [stdout] 3 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `Write` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.63s [INFO] running `Command { std: "docker" "inspect" "f837b6c1ae6b9797566cec0cd218a4681e2bf4d4eba5803b35c000986b42649a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f837b6c1ae6b9797566cec0cd218a4681e2bf4d4eba5803b35c000986b42649a", kill_on_drop: false }` [INFO] [stdout] f837b6c1ae6b9797566cec0cd218a4681e2bf4d4eba5803b35c000986b42649a